Sure, the backside could be big if you manage to defeat the battle, but considering it costs six mana (and five damage) to get Winowing Forces on the battlefield, you're not really getting much of a discount compared to cards like Beanstalk Giant or Cultivator Colossus
Ill go alphabetically for these, starting with [[Donatello, the Brains]]
As of writing, there are just 211 mint condition copies of this card graded by PSA
The eldrazi were introduced to Magic in Rise of the Eldrazi MTG set and have since returned mainly in the Battle for Zendikar block, in Modern Horizons 3 , in the Commander precons, Eldrazi Unbound and Eldrazi Incursion
Although this may seem counterproductive, there are certain decks that rely too much on advanced healing cards like Erika or Irida , so it can be an attractive toolbox and anti-meta option for almost all decks